Human body: skeleton system

how many bones are there in an adult human body

• 209

• 206

• 201

• 207

• 309

how many girdles are present in an human body

• 5

• 7

• 10

• 54

• 2

The shoulder girdle is made off

• shoulder blade

• shoulder joint

• collar bone

• neck bone

• 3 bones fused to make the shoulder girdle

bones are made off

• pulses

• calcium

• vitamin

• phosphorus

• minerals

bones help in

• give shape

• give support

• allows movement

• all of the above

how many bones are present in the skull

• 23

• 22

• 21

• 34

• 36

smallest bone in the human body

• malleus

• incus

• stapes

• breastbone

• lower jaw

function of bone marrow

• stores calcium

• protects the bone from breaking

• allows movement at the joints

• produces rbc's

types of involuntary muscles

• smooth muscles

• cardiac muscles

• tendon muscles

• contracting muscles

which is the type of joint that allows movement in all directions

• gliding joint

• hinge joint

• ball and socket joint

• pivot joint